<?php

// $Id$

require_once($WSC->get_site_inc_dir().'modules/tangra_cms/_sys/tcms_admin_web_page_wed_ua.class.php');
require_once($WSC->get_site_inc_dir().'modules/tangra_cms/classes/ci/tcms_ci_composite_dbc.class.php');
require_once($WSC->get_site_inc_dir().'modules/tangra_cms/classes/ci/tcms_ci_deleter.class.php');
require_once($WSC->get_site_inc_dir().'modules/tangra_cms/classes/vpage/tcms_vpage_ci_dbc.class.php');


class CI_Del_WP extends TCMS_Admin_Web_Page_WED_UA {
	public function create_view($name = 'default') {
		$ret = new TCMS_Admin_Page_View($this, $name, 'modules/tangra_cms/pages/_ci/');

		return $ret;
	}


	protected function init_transit_vars() {
		$this->add_transit_var('vpage');
		$this->add_transit_var('category');
	}


	public function init() {
		parent::init();

		$v = $this->create_view();
		$this->add_view($v);

		$v2 = $this->create_view('not_exist');
		$this->add_view($v2);

		$this->wed->add_wed_event_action_pair(new Web_Event_Simple_Int('delete', Tangra_Parameter_Method::GET, 'del'), 'delete_event');
		$this->wed->add_wed_event_action_pair(new Web_Event_Simple_Int('delete_confirmed', Tangra_Parameter_Method::GET, 'del_confirmed'), 'delete_confirmed');
	}


	protected function delete_event($ci_id) {
		$dbc = $this->get_dbc();

		$vpage_id = $this->get_transit_var('vpage', true);
		$this->export('vpage_id', $vpage_id);

		$ci = new TCMS_CI_Composite_DBC($this->_config->get_hidden_dir().'inc/');
		if ($ci->load_by_id($dbc, $ci_id)) {
			$this->export('ci_title', $ci->get_as_short_plain_text());
			$this->export('ci_id', $ci_id);

			if ($vpage_id) {
				$vpages_other_count = TCMS_VPage_CI_DBC::is_used_by_other_vpages($dbc, $ci_id, $vpage_id);
				$this->export('vpages_other_count', $vpages_other_count);
			} else {
				$vpages_count = TCMS_VPage_CI_DBC::count_vpages_linked_to_ci($dbc, $ci_id);
				$this->export('vpages_count', $vpages_count);
			}

			$view = $this->get_view('default');
		} else {
			$view = $this->get_view('not_exist');
		}

		return $view;
	}


	protected function delete_confirmed($ci_id) {
		$dbc = $this->get_dbc();
		try {
			$dbc->start_trans();
			$current_user = $this->get_user();
			TCMS_CI_Deleter::delete($dbc, $ci_id, $this->_config->get_hidden_dir().'inc/', $current_user->get_id());
			$dbc->complete_trans();
		} catch (Exception $e) {
			$dbc->fail_trans();
			$dbc->complete_trans();
			throw $e;
		}

		$vpage_id = $this->get_transit_var('vpage', true);
		if ($vpage_id) {
			$redir = $this->create_redirect_view('admin/modules/tangra_cms/vpage/vpage_manage.php', array('manage' => $vpage_id));
		} else {
			$redir = $this->create_redirect_view('admin/modules/tangra_cms/ci/cis.php');
		}

		return $redir;
	}


	protected function default_event() {
		throw new Tangra_Module_Exception('Expecting "del" parameter.');
	}
}